55431254 has 32 divisors (see below), whose sum is σ = 91355040. Its totient is φ = 25118208.

The previous prime is 55431253. The next prime is 55431281. The reversal of 55431254 is 45213455.

55431254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55431253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174704 + ... + 175020.

It is an arithmetic number, because the mean of its divisors is an integer number (2854845).

Almost surely, 2^55431254 is an apocalyptic number.

55431254 is a deficient number, since it is larger than the sum of its proper divisors (35923786).

55431254 is a wasteful number, since it uses less digits than its factorization.

55431254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512.

The product of its digits is 12000, while the sum is 29.

The square root of 55431254 is about 7445.2168537928. The cubic root of 55431254 is about 381.2866221561.

The spelling of 55431254 in words is "fifty-five million, four hundred thirty-one thousand, two hundred fifty-four".